<template>
  <div>
  <el-breadcrumb separator-class="el-icon-arrow-right" style="font-size: 16px;">
    <el-breadcrumb-item :to="{ path: '/' }">
      <i class="el-icon-s-promotion"></i>后台管理
    </el-breadcrumb-item>
    <el-breadcrumb-item>权限管理</el-breadcrumb-item>
  </el-breadcrumb>
  <el-divider></el-divider>

    <div style="margin-bottom: 20px;">
      <el-button type="primary" size="medium"
                 @click="$router.push('/permission/permission/add-new')">添加权限
      </el-button>
    </div>

    <el-table :data="tableData" border style="width: 100%">
      <el-table-column prop="id" label="ID" width="60" align="center"></el-table-column>
      <el-table-column prop="name" label="权限名称" width="180" header-align="center"
                       show-overflow-tooltip></el-table-column>
      <el-table-column prop="value" label="请求路径值" width="180" header-align="center"
                       show-overflow-tooltip></el-table-column>
      <el-table-column prop="description" label="权限描述" header-align="center"
                       show-overflow-tooltip></el-table-column>
      <el-table-column prop="sort" label="排序序号" width="100" align="center"></el-table-column>
        <el-table-column label="操作" width="100" align="center">
          <template slot-scope="scope">
            <el-button type="primary" size="mini" icon="el-icon-edit" circle
                       @click="openEditDialog(scope.row)"></el-button>
            <el-button type="danger" size="mini" icon="el-icon-delete" circle
                       @click="openDeleteConfirm(scope.row)"></el-button>
          </template>
        </el-table-column>
    </el-table>

    <div style="text-align: right; margin: 10px auto;">
      <el-pagination
          @current-change="changePage"
          layout="total, prev, pager, next"
          :total="total"
          :current-page="currentPage"
          :page-size="pageSize">
      </el-pagination>
    </div>
    <el-dialog title="修改权限" :visible.sync="dialogFormVisible">
      <el-form :model="editForm" :rules="rules" ref="ruleForm" label-width="100px">
        <div style="width: 50%;">
        <el-form-item label="权限名称" prop="name">
          <el-input v-model="editForm.name" autocomplete="off"></el-input>
        </el-form-item>
        </div>
        <div style="width: 70%;">
        <el-form-item label="请求路径值" prop="value">
          <el-input v-model="editForm.value" autocomplete="off"></el-input>
        </el-form-item>
        </div>
        <el-form-item label="权限" prop="description">
          <el-input v-model="editForm.description" autocomplete="off"></el-input>
        </el-form-item>
        <div style="width: 20%;">
        <el-form-item label="排序序号" prop="sort">
          <el-input v-model="editForm.sort" autocomplete="off"></el-input>
        </el-form-item>
        </div>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="submitEditForm">确 定</el-button>
      </div>
    </el-dialog>


  </div>
</template>

<script>
export default {
  data() {
    return {
      tableData: [],
      total: 0,
      pageSize: 0,
      currentPage: 1,
      dialogFormVisible: false,
      editForm: {
        id: '',
        name: '',
        value:'',
        description: '',
        sort: ''
      },
      rules: {
        name: [
          {required: true, message: '请输入权限名称', trigger: 'blur'},
          {min: 2, max: 25, message: '长度在 2 到 25 个字符', trigger: 'blur'}
        ],
        value: [
          {required: true, message: '请输入请求路径值', trigger: 'blur'},
          {min: 2, max: 25, message: '长度在 2 到 25 个字符', trigger: 'blur'}
        ],
        description: [
          {required: true, message: '请输入简介', trigger: 'blur'}
        ],
        sort: [
          {required: true, message: '请输入排序序号', trigger: 'blur'},
          {pattern: /^(\d{1}|[1-9]{1}[0-9]?)$/, message: '排序序号必须是 0~99 之间的数字', trigger: 'blur'}
        ]
      },
      permissionValue: ''
    }
  },
  methods: {
    openEditDialog(permission) {
      let url = 'http://localhost:9201/permission/standard?id=' + permission.id;

      this.axios.get(url).then((response) => {
        let jsonResult = response.data;
        if (jsonResult.state == 20000) {
          this.editForm = jsonResult.data;
          this.permissionValue = jsonResult.data.value;
          this.dialogFormVisible = true;
        } else {
          this.$alert(jsonResult.message, '错误', {
            confirmButtonText: '确定',
            callback: action => {
              this.loadPermissionList();
            }
          });
        }
      });
    },
    submitEditForm() {
      if (this.editForm.id == 1 || this.editForm.id == 2 || this.editForm.id == 3 || this.editForm.id == 4) {
        if (this.editForm.value != this.permissionValue) {
          this.$message({
            message: '不能修改和管理员角色有关权限！',
            type: 'success'
          });
          return;
        }
      }
      let url = 'http://localhost:9201/permission/update';

      let formData = this.qs.stringify(this.editForm);

      this.axios.post(url, formData).then((response) => {
        let jsonResult = response.data;
        if (jsonResult.state == 20000) {
          this.$message({
            message: '修改权限成功！',
            type: 'success'
          });
          this.dialogFormVisible = false;
          this.loadPermissionList();
        } else if (jsonResult.state == 40400){
          this.$alert(jsonResult.message, '错误', {
            confirmButtonText: '确定',
            callback: action => {
              this.dialogFormVisible = false;
              this.loadPermissionList();
            }
          });
        } else {
          this.$alert(jsonResult.message, '错误', {
            confirmButtonText: '确定',
            callback: action => {
            }
          });
        }
      });
    },
    openDeleteConfirm(permission) {
      if (permission.id == 1 || permission.id == 2 || permission.id == 3 || permission.id == 4) {
        this.$message({
          message: '不能删除和管理员角色有关权限！',
          type: 'success'
        });
        return;
      }
      this.$confirm('此操作将永久删除【' + permission.id + '-' + permission.name + '】权限，是否继续？', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.handleDelete(permission);
      }).catch(() => {
      });
    },
    handleDelete(permission) {
      let url = 'http://localhost:9201/permission/delete';

      let formData = 'id=' + permission.id;

      this.axios.post(url, formData).then((response) => {
        let jsonResult = response.data;
        if (jsonResult.state == 20000) {
          this.$message({
            message: '删除权限成功！',
            type: 'success'
          });
          this.loadPermissionList();
        } else if (jsonResult.state == 40400) {
          this.$alert(jsonResult.message, '错误', {
            confirmButtonText: '确定',
            callback: action => {
              this.loadPermissionList();
            }
          });
        } else if (jsonResult.state == 40900) {
          this.$alert(jsonResult.message, '错误', {
            confirmButtonText: '确定',
            callback: action => {
            }
          });
        } else {
          this.$alert(jsonResult.message, '错误', {
            confirmButtonText: '确定',
            callback: action => {
            }
          });
        }
      });
    },
    changePage(value) {
      this.$router.replace('?page=' + value);
      this.loadPermissionList();
    },
    loadPermissionList() {
      let page = this.$router.currentRoute.query.page;
      if (!page) {
        page = 1;
      }

      let url = 'http://localhost:9201/permission/list?page=' + page;

      this.axios.get(url).then((response) => {
        let jsonResult = response.data;
        if (jsonResult.state == 20000) {
          this.tableData = jsonResult.data.list;
          this.total = jsonResult.data.total;
          this.pageSize = jsonResult.data.pageSize;
          this.currentPage = jsonResult.data.currentPage;
        } else {
          this.$alert(jsonResult.message, '错误', {
            confirmButtonText: '确定',
            callback: action => {
            }
          });
        }
      });
    }
  },
  mounted() {
    this.loadPermissionList();
  }

}
</script>
